ALEXANDRIA, Va., June 5 -- United States Patent no. 12,279,278, issued on April 15, was assigned to InterDigital Patent Holdings Inc. (Wilmington, Del.).

"Control signaling in LTE carrier aggregation" was invented by Martino Freda (Laval, Canada), Jean-Louis Gauvreau (La Prairie, Canada), Mihaela C. Beluri (Jericho, N.Y.), Rocco Di Girolamo (Laval, Canada) and Yuying Dai (Brossard, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and devices may be provided for aggregating component carriers in the licensed spectrum with at least one component carriers in the licensed exempt spectrum. Control information may be processed in a wireless transmit/receive unit (WTRU) while receiving and sending info...